Home / 321,966.52-482,949.75-111,604.42

Finding the Fourth Proportional to 321,966.52, 482,949.75 and 111,604.42

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Solution

The fourth proportional to 321,966.52, 482,949.75 and 111,604.42 is: 167,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,966.52 : 482,949.75 = 111,604.42 : x
  2. Step 2: Convert to fraction form
    321,966.52/482,949.75 = 111,604.42/x
  3. Step 3: Cross multiply
    321,966.52x = 482,949.75 × 111,604.42
  4. Step 4: Simplify right side
    321,966.52x = 53,899,326,737.90
  5. Step 5: Solve for x
    x = 53,899,326,737.90/321,966.52
  6. Step 6: Final answer
    x = 167,406.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.